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readline 8.1

    1: /* histlib.h -- internal definitions for the history library. */
    2: 
    3: /* Copyright (C) 1989-2009 Free Software Foundation, Inc.
    4: 
    5:    This file contains the GNU History Library (History), a set of
    6:    routines for managing the text of previously typed lines.
    7: 
    8:    History is free software: you can redistribute it and/or modify
    9:    it under the terms of the GNU General Public License as published by
   10:    the Free Software Foundation, either version 3 of the License, or
   11:    (at your option) any later version.
   12: 
   13:    History is distributed in the hope that it will be useful,
   14:    but WITHOUT ANY WARRANTY; without even the implied warranty of
   15:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   16:    GNU General Public License for more details.
   17: 
   18:    You should have received a copy of the GNU General Public License
   19:    along with History.  If not, see <http://www.gnu.org/licenses/>.
   20: */
   21: 
   22: #if !defined (_HISTLIB_H_)
   23: #define _HISTLIB_H_
   24: 
   25: #if defined (HAVE_STRING_H)
   26: #  include <string.h>
   27: #else
   28: #  include <strings.h>
   29: #endif /* !HAVE_STRING_H */
   30: 
   31: #if !defined (STREQ)
   32: #define STREQ(a, b)	(((a)[0] == (b)[0]) && (strcmp ((a), (b)) == 0))
   33: #define STREQN(a, b, n) (((n) == 0) ? (1) \
   34: 				    : ((a)[0] == (b)[0]) && (strncmp ((a), (b), (n)) == 0))
   35: #endif
   36: 
   37: #ifndef savestring
   38: #define savestring(x) strcpy (xmalloc (1 + strlen (x)), (x))
   39: #endif
   40: 
   41: #ifndef whitespace
   42: #define whitespace(c) (((c) == ' ') || ((c) == '\t'))
   43: #endif
   44: 
   45: #ifndef _rl_digit_p
   46: #define _rl_digit_p(c)  ((c) >= '0' && (c) <= '9')
   47: #endif
   48: 
   49: #ifndef _rl_digit_value
   50: #define _rl_digit_value(c) ((c) - '0')
   51: #endif
   52: 
   53: #ifndef member
   54: #  if !defined (strchr) && !defined (__STDC__)
   55: extern char *strchr ();
   56: #  endif /* !strchr && !__STDC__ */
   57: #define member(c, s) ((c) ? ((char *)strchr ((s), (c)) != (char *)NULL) : 0)
   58: #endif
   59: 
   60: #ifndef FREE
   61: #  define FREE(x)	if (x) free (x)
   62: #endif
   63: 
   64: /* Possible history errors passed to hist_error. */
   65: #define EVENT_NOT_FOUND 0
   66: #define BAD_WORD_SPEC	1
   67: #define SUBST_FAILED	2
   68: #define BAD_MODIFIER	3
   69: #define NO_PREV_SUBST	4
   70: 
   71: /* Possible definitions for history starting point specification. */
   72: #define NON_ANCHORED_SEARCH	0
   73: #define ANCHORED_SEARCH		0x01
   74: #define PATTERN_SEARCH		0x02
   75: 
   76: /* Possible definitions for what style of writing the history file we want. */
   77: #define HISTORY_APPEND 0
   78: #define HISTORY_OVERWRITE 1
   79: 
   80: /* internal extern function declarations used by other parts of the library */
   81: 
   82: /* histsearch.c */
   83: extern int _hs_history_patsearch PARAMS((const char *, int, int));
   84: 
   85: #endif /* !_HISTLIB_H_ */